CVE-2021-25659

A vulnerability has been identified in Automation License Manager 5 (All versions), Automation License Manager 6 (All versions < V6.0 SP9 Update 2). Sending specially crafted packets to port 4410/tcp of an affected system could lead to extensive memory being consumed and as such could cause a denial-of-service preventing legitimate users from using the system.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-158827.pdf	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:siemens:automation_license_manager:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-08-10 11:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-25659

Mitre link : CVE-2021-25659

CVE.ORG link : CVE-2021-25659

JSON object : View

Products Affected

siemens

automation_license_manager

CWE

CWE-400

Uncontrolled Resource Consumption

{"id": "CVE-2021-25659", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2021-08-10T11:15:08.180", "references": [{"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-158827.pdf", "tags": ["Patch", "Vendor Advisory"], "source": "productcert@siemens.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-400"}]}, {"type": "Secondary", "source": "productcert@siemens.com", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in Automation License Manager 5 (All versions), Automation License Manager 6 (All versions < V6.0 SP9 Update 2). Sending specially crafted packets to port 4410/tcp of an affected system could lead to extensive memory being consumed and as such could cause a denial-of-service preventing legitimate users from using the system."}, {"lang": "es", "value": "Se ha identificado una vulnerabilidad en Automation License Manager 5 (Todas las versiones), Automation License Manager 6 (Todas las versiones anteriores a V6.0 SP9 Update 2). El env\u00edo de paquetes especialmente dise\u00f1ados al puerto 4410/tcp de un sistema afectado podr\u00eda conllevar a un gran consumo de memoria y, por tanto, podr\u00eda causar una denegaci\u00f3n de servicio que impidiera a usuarios leg\u00edtimos usar el sistema"}], "lastModified": "2021-08-18T14:05:13.530", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:siemens:automation_license_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A50000DB-874D-4AF7-BE1C-4F51715CC477", "versionEndExcluding": "6.0.9", "versionStartIncluding": "5.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "productcert@siemens.com"}